Makarkin, V.N.; Archibald, S.B. 2014: A revision of the late Eocene snakeflies (Raphidioptera) of the Florissant Formation, Colorado, with special reference to the wing venation of the Raphidiomorpha. Zootaxa 3784 (4): 401-444. doi: 10.11646/zootaxa.3784.4.4reference page